By Niamh Spence Actress Demi Moore has been reunited with her former husband Bruce Willis as they celebrated daughter Tallulah Willis’ 30th birthday. In snaps shared on social media, Demi can be seen smiling alongside daughter Tallulah and her ex husband as they celebrate the milestone birthday. Writing on Instagram, Demi told her followers: “Showering our #bruuski with love today on her 30th birthday”. She shared the post alongside another snap of her cuddling the birthday girl with daughter Scout and Tallulah’s partner Justin Acee. The couple share three children together with daughters Rume…